CN216975718U

CN216975718U - Ventilation structure for transmission

Info

Publication number: CN216975718U
Application number: CN202122932882.3U
Authority: CN
Inventors: 陈江; 冯舜; 魏巍
Original assignee: Wanxiang Group Corp
Current assignee: Wanxiang Group Corp
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-15
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a ventilation structure for a transmission, which comprises a transmission body, wherein one end of the transmission body is provided with a ventilation valve hole, an oil blocking rib plate is surrounded around the ventilation valve hole, one end of the oil blocking rib plate is provided with an oil outlet notch, and the oil outlet notch is right opposite to a gear of the transmission body. This ventilation structure for transmission had both reduced part quantity, had guaranteed again that the ventilation system can not gather and cause the oil leak because of electric drive system high speed operation for a long time, fluid leak protection reliability promotes, leaves sufficient fluid and stops the space to can discharge through the draft angle, still have certain lubrication action when considering oil guide ability.

Description

Ventilation structure for transmission

Technical Field

The utility model relates to the technical field of transmissions, in particular to a ventilating structure for a transmission.

Background

The patent number is as follows: 201020609605.8 provides an automobile transmission vent valve leak-proof structure, which is provided with a vent hole on a shifting cover, an oil baffle is fixed on the inner wall of the shifting cover, the position of the oil baffle is opposite to the vent hole, the area of the oil baffle is larger than the hole area of the vent hole, so that the lubricating oil in the transmission can not be directly scattered to the vent hole, and the defects are as follows: first, the oil baffle piece spiro union has increased part quantity and cost. And secondly, the space between the oil blocking sheet and the passage is smaller, and the oil flowing angle is lacked, so that oil is difficultly splashed into the high-speed running gear, and the oil is easily stopped and accumulated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ventilation structure for a transmission, which reduces the number of parts, ensures that a ventilation system cannot leak oil due to oil accumulation caused by long-time high-speed operation of an electric drive system, improves the reliability of leakage prevention, leaves enough oil retention space, can be discharged through a drawing angle, has certain lubrication effect while considering the oil guiding capacity, and can solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a ventilation structure for a transmission comprises a transmission body, wherein one end of the transmission body is provided with a ventilation valve hole, an oil blocking rib plate is surrounded around the ventilation valve hole, one end of the oil blocking rib plate is provided with an oil outlet notch, and the oil outlet notch is right opposite to a gear of the transmission body; the oil blocking rib plate is composed of a first rib plate, a second rib plate, a third rib plate and a fourth rib plate, the first rib plate is arranged on two sides of the vent valve hole and connected with the side wall of the speed changer body, the second rib plate is arranged on the side of the first rib plate and connected with the side wall of the speed changer body, the third rib plate is arranged on the side of the second rib plate and connected with the side wall of the speed changer body, and the fourth rib plate is arranged on the side of the third rib plate and connected with the side wall of the speed changer body.

Preferably, one end of the second rib plate is provided with a first bump, and the first bump is inserted into a first groove arranged at one end of the first rib plate.

Preferably, one end of the third rib plate is provided with a second bump, and the second bump is inserted into a second groove formed at the other end of the second rib plate.

Preferably, one end of the fourth rib plate is provided with a third projection, the third projection is inserted into a third groove arranged at the other end of the third rib plate, the other end of the fourth rib plate is provided with a fourth projection and a fourth groove respectively, and the fourth projection is embedded into the fourth groove.

Preferably, the plane of the oil outlet direction of the oil outlet notch is an inclined plane with a large outer part and a small inner part.

Compared with the prior art, the utility model has the following beneficial effects:

this transmission is with ventilative structure through assembling the oil-blocking floor around the breather hole at derailleur body one end to reserve certain fluid and gather the space, both reduced part quantity, guaranteed again that the ventilation system can not cause the oil leak because of electric drive system high speed operation for a long time, fluid is gathered. An oil outlet notch is formed in one end of an oil blocking rib plate at the position opposite to the gear of the transmission body, accumulated oil is led out based on a drawing angle on the oil outlet notch, ventilation reliability is guaranteed, and meanwhile a certain lubricating effect can be achieved. Therefore, the structure not only reduces the processing and assembling procedures and improves the production efficiency, but also gives consideration to the lubrication of the gear, thereby solving the problems that when the ventilating structure is just opposite to the high-speed gear, oil is splashed into the high-speed gear to cause oil accumulation, and the processing and assembling procedures are increased due to the fact that the bolt is connected with the oil baffle plate.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a front view of the oil deflector of the present invention;

FIG. 3 is an assembly view of the oil deflector of the present invention;

fig. 4 is a schematic drawing of a draft angle plane of the present invention.

In the figure: 1. a transmission body; 2. a vent valve aperture; 3. an oil blocking rib plate; 31. a first rib plate; 311. a first groove; 32. a second rib plate; 321. a first bump; 322. a second groove; 33. a third rib plate; 331. A second bump; 332. a third groove; 34. a fourth rib plate; 341. a third bump; 342. a fourth bump; 343. a fourth groove; 4. and an oil outlet notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a ventilation structure for a transmission includes a transmission body 1, a ventilation valve hole 2 is formed at one end of the transmission body 1, an oil blocking rib plate 3 surrounds the ventilation valve hole 2, an oil outlet notch 4 is formed at one end of the oil blocking rib plate 3, and the oil outlet notch 4 is opposite to a gear of the transmission body 1.

The oil blocking rib plate 3 is composed of a first rib plate 31, a second rib plate 32, a third rib plate 33 and a fourth rib plate 34, the first rib plate 31 is arranged at two sides of the vent valve hole 2 and connected with the side wall of the speed changer body 1, the second rib plate 32 is arranged at the side of the first rib plate 31 and connected with the side wall of the speed changer body 1, one end of the second rib plate 32 is provided with a first lug 321, the first lug 321 is inserted into a first groove 311 arranged at one end of the first rib plate 31, the third rib plate 33 is arranged at the side of the second rib plate 32 and connected with the side wall of the speed changer body 1, one end of the third rib plate 33 is provided with a second lug 331, the second lug 331 is inserted into a second groove 322 arranged at the other end of the second rib plate 32, the fourth rib plate 34 is arranged at the side of the third rib plate 33 and connected with the side wall of the speed changer body 1, one end of the fourth rib plate 34 is provided with a third lug 341, the third lug 341 is arranged in a third groove 332 arranged at the other end of the third rib plate 33, the other end of the fourth rib 34 is provided with a fourth protrusion 342 and a fourth recess 343, respectively, and the fourth protrusion 342 is engaged with the fourth recess 343.

In the above-mentioned, keep off oil floor 3 and set up around the breather valve hole 2 of 1 one end of derailleur body through the mode of assembling to reserve certain fluid and gather the space, both reduced part quantity, guaranteed again that the ventilation system can not cause the oil leak because of electric drive system high speed operation for a long time, fluid gathers.

Because the plane of the oil outlet direction of the oil outlet gap 4 is an inclined plane with a large outside and a small inside, the oil outlet gap 4 has a draft angle based on the inclined plane and the plane of the oil outlet direction, so that accumulated oil is guided out, the ventilation reliability is ensured, and a certain lubricating effect can be achieved.

This ventilation structure for derailleur is through assembling around the vent valve hole 2 at 1 one end of derailleur body and keeping certain fluid and gathering the space, has both reduced part quantity, has guaranteed again that the ventilation system can not cause the oil leak because of electric drive system high speed operation for a long time, fluid gathers. An oil outlet notch 4 is formed in one end of the oil blocking rib plate 3 opposite to the gear of the transmission body 1, accumulated oil is led out based on a drawing angle on the oil outlet notch 4, ventilation reliability is guaranteed, and meanwhile a certain lubricating effect can be achieved. Therefore, the structure not only reduces the processing and assembling procedures and improves the production efficiency, but also gives consideration to the lubrication of the gear, thereby solving the problems that when the ventilating structure is just opposite to the high-speed gear, oil is splashed into the high-speed gear to cause oil accumulation, and the processing and assembling procedures are increased due to the fact that the bolt is connected with the oil baffle plate.

In summary, the following steps: this ventilation structure for transmission had both reduced part quantity, had guaranteed again that the ventilation system can not gather and cause the oil leak because of electric drive system high speed operation for a long time, the leak protection reliability promotes, leaves sufficient fluid and stops the space to can discharge through the draft angle, still have certain lubrication action when considering oil guide ability, therefore can effectively solve prior art problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ventilation structure for a transmission, comprising a transmission body (1), characterized in that: one end of the transmission body (1) is provided with a vent valve hole (2), oil blocking rib plates (3) are surrounded around the vent valve hole (2), one end of each oil blocking rib plate (3) is provided with an oil outlet notch (4), and the oil outlet notches (4) are right opposite to gears of the transmission body (1); the oil blocking rib plate (3) is composed of a first rib plate (31), a second rib plate (32), a third rib plate (33) and a fourth rib plate (34), the first rib plate (31) is arranged on two sides of the vent hole (2) and connected with the side wall of the transmission body (1), the second rib plate (32) is arranged on the side of the first rib plate (31) and connected with the side wall of the transmission body (1), the third rib plate (33) is arranged on the side of the second rib plate (32) and connected with the side wall of the transmission body (1), and the fourth rib plate (34) is arranged on the side of the third rib plate (33) and connected with the side wall of the transmission body (1).

2. The air-permeable structure for transmissions according to claim 1, characterized in that: one end of the second ribbed plate (32) is provided with a first bump (321), and the first bump (321) is inserted into a first groove (311) arranged at one end of the first ribbed plate (31).

3. The air-permeable structure for transmissions according to claim 1, characterized in that: one end of the third ribbed plate (33) is provided with a second bump (331), and the second bump (331) is inserted into a second groove (322) arranged at the other end of the second ribbed plate (32).

4. The air-permeable structure for transmissions according to claim 1, characterized in that: one end of the fourth rib plate (34) is provided with a third bump (341), the third bump (341) is inserted into a third groove (332) arranged at the other end of the third rib plate (33), the other end of the fourth rib plate (34) is respectively provided with a fourth bump (342) and a fourth groove (343), and the fourth bump (342) is embedded into the fourth groove (343).

5. The air-permeable structure for transmissions according to claim 1, characterized in that: the plane of the oil outlet direction of the oil outlet notch (4) is an inclined plane with a large outer part and a small inner part.